Have you heard, cellphones are deadly. Science told us so this week when Dr. Ronald B. Herberman of the esteemed University of Pittsburgh Cancer Institute realized that cellphones emit death rays that fry your brain and turn you into a baby-eating Communist, or give you cancer or whatever. Dr. Despair isn’t a downer though! Inside, 10 practical ways to keep your precious little brain safe from those ubiquitous chirping cancer slabs…